微信后端代码
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package com.ynxbd.wx.wxfactory;
import com.ynxbd.common.bean.User;
import com.ynxbd.common.config.EhCacheConfig;
import com.ynxbd.wx.wxfactory.bean.AccessToken;
import lombok.extern.slf4j.Slf4j;
import org.ehcache.Cache;
@Slf4j
public class WxCacheHelper {
static {
createUserCache();
createAccessTokenCache();
}
// 缓存
private static Cache<String, User> USER_CACHE;
private static Cache<String, AccessToken> ACCESS_TOKEN_CACHE;
private synchronized static void createUserCache() {
if (USER_CACHE == null) {
USER_CACHE = EhCacheConfig.createCacheTTL(String.class, User.class, "wx_auth_cache", (5400L)); // 一个半小时
}
}
public static Cache<String, User> getUserCache() {
if (USER_CACHE == null) {
createUserCache();
}
return USER_CACHE;
}
public static void removeUser(String openid) {
Cache<String, User> cache = getUserCache();
if (cache != null) {
cache.remove(openid);
}
}
public static User getCacheUser(String openid) {
if (USER_CACHE == null) {
createUserCache();
}
return USER_CACHE.get(openid);
}
public static final String ACCESS_TOKEN_CACHE_NAME = "access_token";
private synchronized static void createAccessTokenCache() {
if (ACCESS_TOKEN_CACHE == null) {
ACCESS_TOKEN_CACHE = EhCacheConfig.createCacheTTL(String.class, AccessToken.class, "wx_access_token_cache", (7100L)); // 一个半小时
}
}
public static AccessToken getWxAccessToken() {
if (ACCESS_TOKEN_CACHE == null) {
createAccessTokenCache();
}
AccessToken token = new AccessToken();
AccessToken cacheToken = ACCESS_TOKEN_CACHE.get(ACCESS_TOKEN_CACHE_NAME);
log.warn("cacheToken={}", cacheToken);
if (cacheToken != null) {
token.setCreateTime(cacheToken.getCreateTime());
token.setAccessToken(cacheToken.getAccessToken());
return token;
}
AccessToken respToken = WxMedicalHelper.getAccessToken(ACCESS_TOKEN_CACHE);
if (respToken == null) {
return null;
}
log.warn("respToken={}", respToken);
token.setCreateTime(respToken.getCreateTime());
token.setAccessToken(respToken.getAccessToken());
ACCESS_TOKEN_CACHE.put(ACCESS_TOKEN_CACHE_NAME, respToken);
return token;
}
public static String getAccessToken() {
AccessToken accessToken = getWxAccessToken();
if (accessToken != null) {
return accessToken.getAccessToken();
}
return null;
}
}